Security readout for executives and security teams
Plain-English summary
This issue affects FreeRDP-based RDP servers, not FreeRDP clients. If a vulnerable server uses SAM-file authentication and its SAM path is invalid, authentication may incorrectly succeed for bad credentials. That can expose systems to unauthorized remote access with high confidentiality and integrity impact.
Executive priority
Prioritize remediation where FreeRDP-based RDP servers are network-accessible or internet-facing. This is less urgent for environments using only FreeRDP clients, because the advisory explicitly excludes clients from impact.
Technical view
Before FreeRDP 2.7.0, server-side authentication against a SAM file could pass invalid credentials when the configured SAM database path was invalid. The CVSS 3.1 score is 7.4, with network attack vector, no privileges, no user interaction, high complexity, and high confidentiality and integrity impact.
Likely exposure
Exposure is limited to RDP server implementations using FreeRDP before 2.7.0 for SAM-file authentication. FreeRDP clients are not affected. Risk is highest where such servers are reachable over a network and have misconfigured SAM paths or resource conditions affecting file handles.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires a vulnerable FreeRDP-based server, SAM-file authentication, and the specific invalid SAM path condition, which is reflected in the high attack complexity rating.
Researcher notes
Primary evidence comes from the FreeRDP GitHub advisory, fix commits, and 2.7.0 release. The affected condition is configuration-dependent. Sources identify CWE-287 authentication weakness, but do not provide evidence of exploitation in the supplied bundle.
Mitigation direction
- Upgrade FreeRDP to version 2.7.0 or a vendor package containing the backported fix.
- Apply relevant distribution security updates from Fedora, Gentoo, Debian, or your platform vendor.
- Ensure the configured SAM database path is valid and readable by the server process.
- Use custom authentication via HashCallback where appropriate, as noted by the advisory.
- Review file handle availability for the server process to avoid authentication fallback conditions.
- Check current vendor guidance before deploying compensating controls.
Validation and detection
- Inventory systems embedding FreeRDP server components, not only installed FreeRDP client packages.
- Confirm whether any RDP server implementation uses FreeRDP SAM-file authentication.
- Verify deployed FreeRDP versions are 2.7.0 or vendor-fixed builds.
- Check SAM database path configuration for validity and expected access permissions.
- Review authentication logs for unexpected successful logins around SAM path errors.
- Confirm invalid credentials are rejected in a controlled, authorized test environment.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-287: Credential and account abuse lookup
Authentication and credential weaknesses can make valid-account abuse and credential telemetry useful review starting points. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2022-24883 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N2.25.2Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.4HighVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-qxm3-v2r6-vmwfCVE reference
- https://github.com/FreeRDP/FreeRDP/commit/4661492e5a617199457c8074bad22f766a116cdcCVE reference
- https://github.com/FreeRDP/FreeRDP/commit/6f473b273a4b6f0cb6aca32b95e22fd0de88e144CVE reference
- https://github.com/FreeRDP/FreeRDP/releases/tag/2.7.0CVE reference
- FEDORA-2022-dc48a89918CVE reference · vendor-advisory
- FEDORA-2022-a3e03a200bCVE reference · vendor-advisory
- FEDORA-2022-b0a47f8060CVE reference · vendor-advisory
- GLSA-202210-24CVE reference · vendor-advisory
- [debian-lts-announce] 20231117 [SECURITY] [DLA 3654-1] freerdp2 security updateCVE reference · mailing-list
- https://lists.debian.org/debian-lts-announce/2025/02/msg00016.htmlCVE reference
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Authentication
Improper Authentication represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.